doctors told cara newton , 32 , from fleet , hampshire , she had a zero per cent chance of conceiving naturally after being diagnosed with bone cancer in 2009 .
while mrs newton and her husband , 34 , were relieved that chemotherapy had worked , they were devastated to be told they would never have a family of their own .
mrs newton was diagnosed with ewing 's sarcoma - a rare type of bone cancer - in april .